Sodium Tripolyphosphate
Sodium tripolyphosphate can chelate metal ions and is commonly used as a detergent additive and water softener. It can also be used to prepare buffer solutions with a pH of 9.2–10.5.
Product Specifications
CAS Number
7758-29-4
Product Name Alternative
Sodium triphosphate pentabasic, Sodium tripolyphosphate (STPP)
Solubility
H2O:80 mg/mL (217.47 mM)
Smiles
O=P ([O-]) (OP ([O-]) (OP ([O-]) ([O-]) =O) =O) [O-].[Na+].[Na+].[Na+].[Na+].[Na+]
Molecular Formula
Na5O10P3
Molecular Weight
367.86
Storage Conditions
Powder: -20°C for 3 years | In solvent: -80°C for 1 year
Notes
For research use only.
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